I have a Zoom 5341J 8 ch. down 4 ch. up modem. Spectrum gave me (for troubleshooting their issue not related to the modem) a Arris TM1602a eMTA (combo modem & ATA) that has 16 in & 4 out channels. The tech told me of their two new (and only) levels of service 60 & 100 Mbps. I have 30 now for $60/mo. Their 60Mbps service is $65 retail (no promotion) which I will of course take.

Their eMTA is 2x the size of what I have now, I would rather just keep mine. But, the question is;

Are the 8 additional channels really going to make any difference? At my current speed (30Mbps) I see NO difference.
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I realize 'headway' and 'overhead' but I don't 'stream' that much and there are only the two of us here.